wrasse

any of various marine fishes of the family Labridae, especially of the genus Labrus, having thick, fleshy lips, powerful teeth, and usually a brilliant color, certain species being valued as food fishes.

1665-75; apparently originally a plural of dial. (Cornwall) wrah, wraugh, wrath < Cornishwragh, lenited form of gwragh literally, old woman, hag; compare Welshgwrach(en), Bretongwrac’h, also with both senses